quanta-q71l: initial machine support

Minimal changes to build an OpenBMC image that boots to a login prompt
on a Quanta Q71L server.

Change-Id: Idb78e976f6044d12cee39de8b000dfcbff318c7e
Signed-off-by: Rick Altherr <raltherr@google.com>
diff --git a/meta-quanta/meta-q71l/conf/conf-notes.txt b/meta-quanta/meta-q71l/conf/conf-notes.txt
new file mode 100644
index 0000000..9b3c01a
--- /dev/null
+++ b/meta-quanta/meta-q71l/conf/conf-notes.txt
@@ -0,0 +1,2 @@
+Common targets are:
+     obmc-phosphor-image